President Barack Obama and British Prime Minister David Cameron chat during one of the NCAA basketball tourney games at UD Arena in Dayton, Ohio 3/13/12. Photo by Ty Greenless/Dayton Daily News. #firstfour

David Cameron 'knew about SAS-Diana allegations but failed to act'

David Cameron and the head of the army, General Sir Peter Wall, both received letters in February containing a claim that the SAS killed Princess Diana – b Read more: http://www.dailymail.co.uk/news/article-2420704/David-Cameron-head-Army-sent-letter-claiming-SAS-killed-Diana-failed-act.html#ixzz2euzWLHAq Follow us: @MailOnline on Twitter | DailyMail on Facebook